org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping#0' defined in ServletContext resource [/WEB-INF/spring-servlet.xml]: Initialization of bean failed; nested exception is java.lang.IllegalStateException: Cannot map handler 'editForm' to URL path [/edit.do]: There is already handler of type [class com.spring.mvc.beans.SampleController] mapped.

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    Root Cause Analysis

    1. java.lang.IllegalStateException

      Cannot map handler 'editForm' to URL path [/edit.do]: There is already handler of type [class com.spring.mvc.beans.SampleController] mapped.

      at org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.registerHandler()
    2. Spring MVC
      AbstractDetectingUrlHandlerMapping.initApplicationContext
      1. org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.registerHandler(AbstractUrlHandlerMapping.java:390)
      2. org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.registerHandler(AbstractUrlHandlerMapping.java:362)
      3. org.springframework.web.servlet.handler.AbstractDetectingUrlHandlerMapping.detectHandlers(AbstractDetectingUrlHandlerMapping.java:82)
      4. org.springframework.web.servlet.handler.AbstractDetectingUrlHandlerMapping.initApplicationContext(AbstractDetectingUrlHandlerMapping.java:58)
      4 frames
    3. Spring Context
      ApplicationObjectSupport.initApplicationContext
      1. org.springframework.context.support.ApplicationObjectSupport.initApplicationContext(ApplicationObjectSupport.java:119)
      1 frame
    4. Spring
      WebApplicationObjectSupport.initApplicationContext
      1. org.springframework.web.context.support.WebApplicationObjectSupport.initApplicationContext(WebApplicationObjectSupport.java:72)
      1 frame
    5. Spring Context
      ApplicationContextAwareProcessor.postProcessBeforeInitialization
      1. org.springframework.context.support.ApplicationObjectSupport.setApplicationContext(ApplicationObjectSupport.java:73)
      2. org.springframework.context.support.ApplicationContextAwareProcessor.invokeAwareInterfaces(ApplicationContextAwareProcessor.java:106)
      3. org.springframework.context.support.ApplicationContextAwareProcessor.postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:85)
      3 frames
    6. Spring Beans
      DefaultListableBeanFactory.preInstantiateSingletons
      1. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:394)
      2. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1413)
      3. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
      4. org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
      5. org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
      6. org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
      7. org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
      8. org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
      9. org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580)
      9 frames
    7. Spring Context
      AbstractApplicationContext.refresh
      1. org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
      2. org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
      2 frames
    8. Spring MVC
      HttpServletBean.init
      1. org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:442)
      2. org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:458)
      3. org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:339)
      4. org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:306)
      5. org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
      5 frames
    9. JavaServlet
      GenericServlet.init
      1. javax.servlet.GenericServlet.init(GenericServlet.java:160)
      1 frame
    10. Glassfish Core
      StandardContext$3.call
      1. org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1216)
      2. org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1135)
      3. org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1031)
      4. org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4957)
      5. org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5284)
      6. org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5279)
      6 frames
    11. Java RT
      Thread.run
      1. java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
      2. java.util.concurrent.FutureTask.run(Unknown Source)
      3. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
      4. java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      5. java.lang.Thread.run(Unknown Source)
      5 frames